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243102303001 = 1311855742771
BaseRepresentation
bin1110001001101000000…
…1101100001100011001
3212020111012212112200001
43202122001230030121
512440333142144001
6303402450013001
723364205323655
oct3423201541431
9766435775601
10243102303001
119410aa04418
123b146577161
1319c03024a8c
14baa26c5a65
1564cc4ac001
hex389a06c319

243102303001 has 4 divisors (see below), whose sum is σ = 244958045904. Its totient is φ = 241246560100.

The previous prime is 243102302999. The next prime is 243102303091. The reversal of 243102303001 is 100303201342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243102303001 - 21 = 243102302999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243102303001.

It is not an unprimeable number, because it can be changed into a prime (243102303091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927871255 + ... + 927871516.

It is an arithmetic number, because the mean of its divisors is an integer number (61239511476).

Almost surely, 2243102303001 is an apocalyptic number.

It is an amenable number.

243102303001 is a deficient number, since it is larger than the sum of its proper divisors (1855742903).

243102303001 is a wasteful number, since it uses less digits than its factorization.

243102303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855742902.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 243102303001 its reverse (100303201342), we get a palindrome (343405504343).

The spelling of 243102303001 in words is "two hundred forty-three billion, one hundred two million, three hundred three thousand, one".

Divisors: 1 131 1855742771 243102303001